DC

David Cheng

Applied Materials: 3 patents #6 of 123Top 5%
UN Unknown: 1 patents #172 of 2,033Top 9%
📍 San Jose, CA: #23 of 973 inventorsTop 3%
🗺 California: #257 of 13,957 inventorsTop 2%
Overall (1994): #6,692 of 165,921Top 5%
4
Patents 1994

Issued Patents 1994

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5369286 Method and apparatus for measuring stress in a film applied to surface of a workpiece 1994-11-29
5304248 Passive shield for CVD wafer processing which provides frontside edge exclusion and prevents backside depositions Mei Cheng 1994-04-19
5292393 Multichamber integrated process system Dan Maydan, Sasson Somekh, David N. Wang, Masato Toshima, Isaac Harari +1 more 1994-03-08
5280983 Semiconductor processing system with robotic autoloader and load lock Dan Maydan, Sasson Somekh, Charles Ryan-Harris, Richard A. Seilheimer, Edward M. Abolnikov +5 more 1994-01-25